Doctor profile · Federal record

Dr. Catherine Hartigan

Psychiatric/Mental Health Nurse Practitioner (CMS: Nurse Practitioner) · Registered Nurse · Registered Nurse · New Haven, CT

  • NPI 1689317695
  • Accepts Medicare
  • MIPS 71.7 / 100 · 2023
  • 4 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
184 Liberty St
New Haven, CT 065191625
(203) 688-9704
Additional location
1450 Chapel St
New Haven, CT 065114405
(203) 789-3000

Credentials & registration

NPPES · NUCC
NPI registered
April 2022 — 4 yrs on file
Profile last updated
March 28, 2026
Year of graduation
2022 — 4 yrs since
Specialty taxonomy
363LP0808X — NUCC code
State licenses (3)
Connecticut #010813 · Connecticut #173412 · Massachusetts #2364237

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1689317695. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
251
Distinct HCPCS
2
Medicare allowed
$14,160
HCPCS Description Services Patients Avg allowed
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 129 36 $44
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 122 21 $70

In context: peer comparison

Among 12 peers in this city , average services per provider: 92. This provider delivers 2.7× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
11
Patients
11
Total drug cost
$126
Drug Type Claims Patients Total cost
Benztropine Mesylate Generic 11 11 $126

Frequently asked questions

Auto-generated from federal data
What is Dr. Catherine Hartigan's medical specialty?
Dr. Catherine Hartigan practices Psychiatric/Mental Health Nurse Practitioner in New Haven, CT.
Where does Dr. Catherine Hartigan practice?
Dr. Catherine Hartigan practices at 184 Liberty St, New Haven, CT 065191625. Office phone: 2036889704.
What is Dr. Catherine Hartigan's NPI?
Dr. Catherine Hartigan's National Provider Identifier (NPI) is 1689317695, issued by NPPES.
Does Dr. Catherine Hartigan accept Medicare assignment?
Yes. Dr. Catherine Hartigan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Catherine Hartigan commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.